Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Unique Calibration
The Emissions/CAFE/CO2 Compliance Department is responsible for assigning
these calibration
numbers. Unique calibration identifications are assigned to cover similar
vehicles to differentiate tires,
drive configurations, final drive ratios and other calibrat ...
Spring Lock Coupling
The spring lock coupling is a refrigerant line coupling held together by a
garter spring inside a circular
cage.
When the coupling is connected together, the flared end of the female
fitting slips behind the
garter spring inside the cage of th ...
Rear View Mirrors (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 124 , Power Mirrors for schematic and
connector information.
Special Tool(s)
73III Automotive Meter
105-R0057 or equivalent
Flex Probe Kit
105-R025B or equivalent
Inspection and Verification
1. ...
